On Wed, Jul 01, 2020 at 09:56:13AM +0200, Thomas Monjalon wrote: > 30/06/2020 16:14, Bruce Richardson: > > Add the --as-needed linker flag to the DPDK library list in the pkg-config > > file so as to prevent overlinking. Without this flag, when linking > > statically using flags from $(pkg-config --static --libs libdpdk), all DPDK > > drivers and libs were statically linked in, but the binary was also > > requiring all the shared versions be present to run. > > > > The real root-cause of this issue is that the DPDK libraries need to be > > duplicated in the linker command when doing static linking, due to the > > behaviour of pkg-config, but since that behaviour cannot be easily changed, > > this is a simple workaround to avoid problems. > > It deserves to give a more detailed explanation here. > It's already explained in commit log for patch 5 and in the code comments added in patch 5 also, so I didn't think it was necessary again. However can add in a V4, if needed.